Services
NiSource Gas Transmission & Storage offers a variety of customer services. For detailed information please refer to our tariffs by visiting www.columbianavigator.com.
Transportation Services
- Firm Transportation Service (FTS)
- Firm No-Notice Transportation Service (NTS)
- Storage Service Transportation (SST)
- Off-Peak Transportation (OPT)
- Interruptible Transportation Service (ITS)
Storage Services
- Firm Storage Service (FSS)
- Storage In Transit (SIT)
- Interruptible Storage Service (ISS)
Other Services
- Aggregation Service (AS)
- Interruptible Paper Pool Service (IPP)
- Parking and Lending Service (PAL)
